Deciding which is "better" hinges on your specific skin concerns and desired outcomes
It enhances T-cells and white blood cells
Increases in resting heart rate are a recognised class effect of incretin-based therapies and have been reported with GLP-1 receptor agonists more broadly, as reflected in the Summary of Product Characteristics (SmPC) for licensed agents such as semaglutide (Wegovy) and liraglutide (Saxenda)
As for zinc and female fertility, a 2019 study from Robinson Research Institute, Adelaide Medical School, Waite Research Institute, and School of Medical Science found that lower levels of zinc in the blood were associated with longer time trying to conceive, so zinc may help a womens fertilization and egg development but there is less research on benefits of zinc supplementation in women
But they are prescription injectables and come with different risk profiles and medical oversight needs
It does not interfere with the active peptide